Home / 168,972.90-253,200.15-146,681.70

Finding the Fourth Proportional to 168,972.90, 253,200.15 and 146,681.70

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Solution

The fourth proportional to 168,972.90, 253,200.15 and 146,681.70 is: 219,797.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,972.90 : 253,200.15 = 146,681.70 : x
  2. Step 2: Convert to fraction form
    168,972.90/253,200.15 = 146,681.70/x
  3. Step 3: Cross multiply
    168,972.90x = 253,200.15 × 146,681.70
  4. Step 4: Simplify right side
    168,972.90x = 37,139,828,442.26
  5. Step 5: Solve for x
    x = 37,139,828,442.26/168,972.90
  6. Step 6: Final answer
    x = 219,797.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.